1. Harold C. Urey 1893–1981

   • S. L. Miller
   • J. Oró

   Editorial Pages: 149 - 149

2. The atmosphere of Titan

   • Tobias Owen

   OriginalPaper Pages: 150 - 156

3. Comets: Chemistry and chemical evolution

   • Bertram Donn

   OriginalPaper Pages: 157 - 160

4. The photochemistry of the paleoatmosphere

   • Joel S. Levine

   OriginalPaper Pages: 161 - 172

5. Organic synthesis from reducing models of the atmosphere of the primitive earth with UV light and electric discharges

   • Alain R. Bossard
   • François Raulin
   • Gérard Toupance

   OriginalPaper Pages: 173 - 178

6. Interaction between ATP, metal ions, glycine, and several minerals

   • Judith Rishpon
   • Patrick J. O'Hara
   • James G. Lawless

   OriginalPaper Pages: 179 - 184

7. Oligonucleotide formation catalyzed by mononucleotide matrices

   • R. Lohrmann

   OriginalPaper Pages: 185 - 195

8. Synthesis of phosphatidylcholine under possible primitive Earth conditions

   • M. Rao
   • J. Eichberg
   • J. Oró

   OriginalPaper Pages: 196 - 202

9. Encapsulation of macromolecules by lipid vesicles under simulated prebiotic conditions

   • David W. Deamer
   • Gail L. Barchfeld

   OriginalPaper Pages: 203 - 206

10. A theory for the origin of a self-replicating chemical system

    • David H. White
    • Michael S. Raab

    OriginalPaper Pages: 207 - 216

11. Pyrolysis of precambrian kerogens: Constraints and capabilities

    • Bartholomew Nagy

    OriginalPaper Pages: 217 - 220

12. Recently published papers in the field of molecular evolution

    OriginalPaper Pages: 221 - 224